Description

Tropylium Tetrafluoroborate is a stable organic salt of the tropylium cation, a classic non-benzenoid aromatic ion. This compound serves as a versatile and convenient source of the highly reactive tropylium ion for advanced organic synthesis and materials science research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as cycloaddition reactions, catalyst development, and the synthesis of novel aromatic systems.

Application

• Organic Synthesis Reagent: Acts as a stable precursor to the tropylium cation for cycloaddition reactions, electrophilic aromatic substitutions, and the construction of complex polycyclic frameworks.
• Catalysis Research: Employed in the development and study of Lewis acid catalysts and as a co-catalyst in various polymerization and organic transformation processes.
• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those incorporating non-benzenoid aromatic or strained ring systems for targeted biological activity.
• Materials Science: Serves as a building block for creating organic conductive materials, charge-transfer complexes, and novel organic semiconductors.
• Agrochemical Research: Applied in the development of new active ingredients with unique modes of action derived from its distinctive aromatic cation structure.
• Academic & Industrial R&D: A fundamental reagent for studying aromaticity, reaction mechanisms, and for teaching advanced organic chemistry concepts.

Basic Information

Product Name	Tropylium Tetrafluoroborate
CAS No.	27081-10-3
Molecular Formula	C7H7BF4
Molecular Weight	177.94 g/mol
Synonyms	Tropylium fluoroborate; Cycloheptatrienyl tetrafluoroborate; 1,3,5-Cycloheptatrienylium tetrafluoroborate(1-); Tropylium BF4; Tropylium salt; Tropylium tetraphenylborate analog; Tropylium ion source
EINECS	Contact for details

Quality Control

Our Tropylium Tetrafluoroborate is manufactured under strict quality protocols to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) detailing purity, identity, and impurity profiles via techniques such as NMR, HPLC, and elemental analysis. Our quality management system is designed to meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.